2551142045 has 8 divisors (see below), whose sum is σ = 3144110424. Its totient is φ = 1985753664.

The previous prime is 2551142021. The next prime is 2551142047. The reversal of 2551142045 is 5402411552.

2551142045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 853866841 + 1697275204 = 29221^2 + 41198^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2551142045 - 2¹² = 2551137949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2551141999 and 2551142017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551142047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6894794 + ... + 6895163.

It is an arithmetic number, because the mean of its divisors is an integer number (393013803).

Almost surely, 2^2551142045 is an apocalyptic number.

It is an amenable number.

2551142045 is a deficient number, since it is larger than the sum of its proper divisors (592968379).

2551142045 is a wasteful number, since it uses less digits than its factorization.

2551142045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13789999.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2551142045 is about 50508.8313565064. The cubic root of 2551142045 is about 1366.4011329913.

Adding to 2551142045 its reverse (5402411552), we get a palindrome (7953553597).

The spelling of 2551142045 in words is "two billion, five hundred fifty-one million, one hundred forty-two thousand, forty-five".